A brief Introduction to Oracle-SQL-PL SQL,taught in our CSE216 Database Sessional course, is a SQL practice book written by Prof. Sukarna Barua.The book contains most of the fundamental sql queries ...

Hello, I have an application that have 3 flavors of database: Oracle, SQL Server and Postgres. Using oracle_fdw I successfully transferred Oracle and SQL Server databases into Postgres. This was po ...

DATEDIFF is a common function in the SQL Server to find the number of days between two dates. Oracle offers its own solution, although does not have the DATEDIFF function.